|  | /* | 
|  | * Copyright 2007 IBM Corporation | 
|  | * | 
|  | * Stephen Winiecki <stevewin@us.ibm.com> | 
|  | * Josh Boyer <jwboyer@linux.vnet.ibm.com> | 
|  | * | 
|  | * Based on earlier code: | 
|  | * Copyright (C) Paul Mackerras 1997. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License | 
|  | * version 2 as published by the Free Software Foundation. | 
|  | */ | 
|  | #include <stdarg.h> | 
|  | #include <stddef.h> | 
|  | #include "types.h" | 
|  | #include "elf.h" | 
|  | #include "string.h" | 
|  | #include "stdio.h" | 
|  | #include "page.h" | 
|  | #include "ops.h" | 
|  | #include "io.h" | 
|  |  | 
|  | BSS_STACK(4096); | 
|  |  | 
|  | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) | 
|  | { | 
|  | u32 heapsize = 0x8000000 - (u32)_end; /* 128M */ | 
|  |  | 
|  | simple_alloc_init(_end, heapsize, 32, 64); | 
|  | fdt_init(_dtb_start); | 
|  | serial_console_init(); | 
|  | } |